Updated the __repr__ and __str__ methods of SimRef
Updated the __repr__ and __str__ methods of SimRef

Tasignotas/topographica_mirror,ioam/topographica,mjabri/topographica,Tasignotas/topographica_mirror,ioam/topographica,Tasignotas/topographica_mirror,mjabri/topographica,mjabri/topographica,ioam/topographica,Tasignotas/topographica_mirror,Tasignotas/topographica_mirror,mjabri/topographica,mjabri/topographica,ioam/topographica,ioam/topographica